2 files changed, 5 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index 741bb163b4..f7aec738c6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sun Feb  8 18:34:43 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* io.c (rb_io_s_binread): ensures file path.  [ruby-dev:37940]
+
 Fri Feb  6 23:28:33 2009  Tanaka Akira  <akr@fsij.org>
 
 	* io.c (io_fread): use rb_io_wait_readable for retry
diff --git a/io.c b/io.c
index 50eaa5f261..5a91e04c6a 100644
--- a/io.c
+++ b/io.c
@@ -7292,6 +7292,7 @@ rb_io_s_binread(int argc, VALUE *argv, VALUE io)
     struct foreach_arg arg;
 
     rb_scan_args(argc, argv, "12", NULL, NULL, &offset);
+    FilePathValue(argv[0]);
     arg.io = rb_io_open(argv[0], rb_str_new_cstr("rb:ASCII-8BIT"), Qnil, Qnil);
     if (NIL_P(arg.io)) return Qnil;
     arg.argv = argv+1;